1. Introduction
This manual provides essential information for the safe and effective operation of your AUN ET30C Mini Projector. Please read this manual thoroughly before using the projector and retain it for future reference.

Image 1.1: AUN ET30C Mini Projector
This image displays the AUN ET30C Mini Projector from a front-side angle, highlighting its lens and compact design. The projector is black with a handle on top.
2. Product Overview
2.1 Key Features
- Full HD Resolution: Native 1920x1080P resolution for clear and vivid images.
- Brightness: 3300 lumens for enhanced projection quality.
- Portability: Compact design (11.8 x 13.5 x 14.6 cm) and lightweight (0.95 kg) with a durable leather handle for easy transport.
- Connectivity: Supports HDMI, USB, and AV inputs for broad compatibility with various devices.
- Screen Mirroring: Wired and wireless screen mirroring capabilities for iOS and Android devices.
- Long Lamp Life: LED lamp designed for up to 50,000 hours of operation.
- Cooling System: Innovative cooling with heat dispersion and noise suppression technology.
2.2 Projector Dimensions

Image 2.1: Projector Dimensions
This image illustrates the physical dimensions of the AUN ET30C projector, showing its height (14.6cm), width (11.8cm), and depth (13.5cm).

Image 2.2: Portable Design
A person is shown holding the AUN ET30C Mini Projector, demonstrating its compact size and portability, suitable for various environments.
3. Setup
3.1 Unpacking
Carefully remove the projector and all accessories from the packaging. Verify that all components are present:
- AUN ET30C Mini Projector
- Power Adapter
- Remote Control
- HDMI Cable (may vary by package)
- User Manual
3.2 Placement
Place the projector on a stable, flat surface. Ensure adequate ventilation around the projector to prevent overheating. The optimal projection distance ranges from 3.08 feet to 9.32 feet, yielding a screen size of 30 to 100 inches.
3.3 Power Connection
Connect the power adapter to the projector's power input port, then plug the adapter into a power outlet. The projector requires a direct power connection for operation.
3.4 Connecting External Devices
The AUN ET30C features multiple ports for connecting various devices:

Image 3.1: Projector Ports
This diagram illustrates the various input and output ports on the AUN ET30C projector, including HDMI, USB, AV, and audio out, along with examples of compatible devices like laptops, gaming consoles, and TV sticks.
- HDMI: Connect to laptops, gaming consoles (XBOX, PS), TV boxes, or other HDMI-enabled devices.
- USB: Insert a USB drive to play media files directly.
- AV: Connect to older devices using an AV cable.
- Audio Out: Connect external speakers or headphones for enhanced audio.
4. Operating Instructions
4.1 Powering On/Off
Press the power button on the projector or the remote control to turn the unit on or off.
4.2 Focus Adjustment
Rotate the focus ring located near the lens to achieve a clear image. Adjust until the projected image is sharp.
4.3 Screen Mirroring (Wired/Wireless)
The ET30C supports screen mirroring for iOS and Android devices:
- Wireless Connection: Access the Wi-Fi mirroring function from the projector's menu. Follow the on-screen instructions to connect your smartphone or tablet to the projector's Wi-Fi network, then enable screen mirroring on your device.
- Wired Connection: Connect your iOS or Android device directly to the projector using a compatible USB/Lightning cable.

Image 4.1: Wireless Screen Mirroring
This image shows the AUN ET30C projector wirelessly mirroring content from a smartphone, illustrating the ease of connecting mobile devices.
4.4 Using the Remote Control
The included remote control allows for convenient operation of the projector's functions, including power, volume, input source selection, and menu navigation.

Image 4.2: Projector with Remote Control
This image displays the AUN ET30C projector alongside its remote control, indicating the primary method of interaction.
4.5 Connecting to Gaming Consoles and Other Devices
Connect your gaming console (e.g., XBOX, PS4), TV box, or other compatible devices via the HDMI port for a full HD viewing experience.

Image 4.3: Projector in Use with Gaming Console
A person is shown using the AUN ET30C projector to display content from a gaming console, demonstrating its application for entertainment.
5. Maintenance
5.1 Cleaning the Lens
Use a soft, lint-free cloth specifically designed for optical lenses to gently wipe the projector lens. Avoid using abrasive cleaners or excessive force.
5.2 Dust Removal
Regularly clean the projector's vents to ensure proper airflow and prevent dust buildup. Use a soft brush or compressed air to remove dust from the ventilation openings.

Image 5.1: Internal Cooling System
This image provides an internal view of the AUN ET30C projector, highlighting its fully sealed optical components and cooling system designed for heat dissipation and dust protection.
5.3 Storage
When not in use, store the projector in a cool, dry place, away from direct sunlight and extreme temperatures. Cover the lens to protect it from dust.
6. Troubleshooting
- No Power: Ensure the power adapter is securely connected to both the projector and a working power outlet.
- No Image: Verify that the correct input source is selected. Check all cable connections (HDMI, AV, USB). Adjust the focus ring.
- Blurred Image: Rotate the focus ring to sharpen the image. Ensure the projection surface is flat and the projector is at an appropriate distance.
- No Sound: Check the volume settings on both the projector and the connected device. Ensure external speakers are properly connected if used.
- Screen Mirroring Issues: For wireless mirroring, ensure both devices are on the same Wi-Fi network and the mirroring function is enabled on your mobile device. For wired mirroring, ensure the cable is compatible and securely connected.
7. Specifications
| Feature | Specification |
|---|---|
| Brand | AUN |
| Model | ET30C |
| Display Technology | LCD |
| Native Resolution | 1920 x 1080 Pixels (Full HD) |
| Brightness | 3300 lm |
| Contrast Ratio | 2000:1 |
| Lamp Life | 50,000 hours |
| Projection Distance | 3.08 - 9.32 meters (30 - 100 inches) |
| Connectivity | HDMI, USB, AV, Wi-Fi |
| Power Consumption | 55 Watts |
| Control Method | Remote Control |
| Form Factor | Portable |
| Dimensions (L x W x H) | 11.8 x 13.5 x 14.6 cm |
| Weight | 0.95 kg |
8. Warranty and Support
For warranty information or technical support, please refer to the documentation included with your purchase or contact AUN customer service through their official website. Keep your purchase receipt as proof of purchase.